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A company is using my idea internally!
1 votes

Is your patent only filed in the USA? Has it actually been granted or is going through the search and examination phase ? Be aware that you have to prove they did not use your idea before your ...

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Is a patent I am checking in force or abandoned
0 votes

Espacent shows this patent was filed in 1957 (the priority date) so it has in fact expired. Granted patent are only valid for 20 years from the original filing date. (in this case that was in the USA ...

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